399989842

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{25997}}^1$

素因数の和:26170

約数の個数: 24

約数和(自身を含む): 702413964

約数和(自身を除く): 302424122

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 2198, 7693, 15386, 25997, 51994, 181979, 363958, 1273853, 2547706, 4081529, 8163058, 28570703, 57141406, 199994921, 399989842]

約数ペア:

[(1, 399989842), (2, 199994921), (7, 57141406), (14, 28570703), (49, 8163058), (98, 4081529), (157, 2547706), (314, 1273853), (1099, 363958), (2198, 181979), (7693, 51994), (15386, 25997)]